version 1.6, 2002/10/21 19:15:10
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version 1.16, 2005/02/10 22:30:56
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# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# (lonacc: Cookie Based Access Handler |
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# 5/21/99,5/22,5/29,5/31,6/15 Gerd Kortemeyer) |
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# 6/16,6/18,7/3, |
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# 6/30/00 Gerd Kortemeyer |
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package Apache::lonracc; |
package Apache::lonracc; |
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Line 36 use strict;
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Line 32 use strict;
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use Apache::Constants qw(:common :remotehost); |
use Apache::Constants qw(:common :remotehost); |
use Apache::lonnet(); |
use Apache::lonnet(); |
use Apache::File(); |
use Apache::File(); |
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use IO::Socket; |
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sub subscribed { |
sub subscribed { |
my ($filename,$id) = @_; |
my ($filename,$id) = @_; |
my $found=0; |
my $found=0; |
my $expr='^'.$id.':'.$Apache::lonnet::hostip{$id}.':'; |
my $hostname=$Apache::lonnet::hostname{$id}; |
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my (undef,undef,undef,undef,$ip) = gethostbyname($hostname); |
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$ip=inet_ntoa($ip); |
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my $expr='^'.$id.':'.$ip.':'; |
$expr =~ s/\./\\\./g; |
$expr =~ s/\./\\\./g; |
my $sh; |
my $sh; |
if ($sh=Apache::File->new("$filename.subscription")) { |
if ($sh=Apache::File->new("$filename.subscription")) { |
Line 52 sub subscribed {
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Line 52 sub subscribed {
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sub handler { |
sub handler { |
my $r = shift; |
my $r = shift; |
my $reqhost = $r->get_remote_host(REMOTE_DOUBLE_REV); |
my $reqhost = $r->get_remote_host(REMOTE_NOLOOKUP); |
if (!$reqhost && $r->get_remote_host(REMOTE_NOLOOKUP) eq $r->get_server_name()) { |
my %iphost=&Apache::lonnet::get_iphost(); |
$reqhost = $r->get_server_name(); |
my $hostids=$iphost{$reqhost}; |
} |
if (!$hostids && $reqhost ne '127.0.0.1' ) { |
unless ($reqhost) |
$r->log_reason("Unable to find a host for ". |
$r->log_reason("Spoof request from ".$ENV{'REMOTE_ADDR'}); |
$r->get_remote_host(REMOTE_NOLOOKUP)); |
return FORBIDDEN; |
return FORBIDDEN; |
} |
} |
my $readline; |
if ($reqhost eq '127.0.0.1') { |
my $lontabdir=$r->dir_config('lonTabDir'); |
return OK; |
{ |
} |
my $fh; |
my $return; |
unless ($fh=Apache::File->new("$lontabdir/hosts.tab")) { |
my @ids=(); |
$r->log_reason("Could not find host tab file"); |
my $id; |
return FORBIDDEN; |
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} |
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while ($readline=<$fh>) { |
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my ($id,$domain,$role,$name,$ip)=split(/:/,$readline); |
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if ($name =~ /$reqhost/i) { |
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my $filename=$r->filename; |
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if ((-e "$filename.$id") || |
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&subscribed($filename,$id) || |
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($filename=~/\.meta$/)) { |
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return OK; |
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} else { |
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$r->log_reason("$id not subscribed", $r->filename); |
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return FORBIDDEN; |
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} |
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} |
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} |
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foreach $id (@{$hostids}) { |
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my $filename=$r->filename; |
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my $uri =$r->uri; |
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if ((-e "$filename.$id") || |
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&subscribed($filename,$id) || |
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($filename=~/\.meta$/) || |
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($uri=~m|^/raw/uploaded|)) { |
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return OK; |
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} else { |
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$return=FORBIDDEN; |
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push(@ids,$id); |
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} |
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} |
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if ($return == FORBIDDEN) { |
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$r->log_reason(join(':',@ids)." not subscribed", $r->filename); |
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return FORBIDDEN; |
} |
} |
$r->log_reason("Invalid request for file transfer from $reqhost", |
$r->log_reason("Invalid request for file transfer from $reqhost", |
$r->filename); |
$r->filename); |